US Army Corps of Engineers

Priest Rapids Dam & Reservoir

June 2026

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 166.00 165.30 125.30 39.00 487.48 487.32 413.39 73.93
2 197.50 197.30 118.80 77.40 487.53 487.43 415.09 72.34
3 207.30 207.60 123.30 83.20 487.44 487.48 415.75 71.73
4 203.00 204.60 111.30 92.20 487.01 487.10 415.79 71.31
5 171.80 172.60 122.90 48.70 486.81 486.72 414.52 72.20
6
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30
TOT           
AVG    189.12 189.48 120.32 68.10 487.25 487.21 414.91 72.30
MAX    207.30 207.60 125.30 92.20 487.53 487.48 415.79 73.93
MIN    166.00 165.30 111.30 39.00 486.81 486.72 413.39 71.31